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Menu (Flaw Det.)
AWS
AWS
(American Weld-
ing Society)
SET REF GAIN
%
HEIGHT
TCG
TCG
(Time Corrected
Gain)
DRAW
CURVE
%
HEIGHT
DAC
DAC
(Distance Ampli-
tude Correction)
DRAW
MEAS
CURVE
TRIGGER
DPOLARITY
DGS
New function to be released soon. Please contact Elcometer NDT for more
information.
Function
Toggles AWS function ON or OFF.
This function is used in the analysis of welds according to
the American Welding Society's structural welding code
D1.1-94 to calculate the Indication Rating (IR).
The gain (in dB) required to set the indication level to a
specific percentage of full screen height (FSH).
SCRN
Set the reference level of the AWS as a percentage of full
screen height. This value will typically be set somewhere
between 20% to 90%.
Toggles TCG function ON or OFF.
This function displays reflectors of equal size at equal
A-Scan amplitudes, regardless of the depth of the reflector
in the test material.
Toggles DRAW mode ON or OFF and used to draw the
TCG curve.
Toggles drawing of the TCG correction curve on the
screen ON or OFF.
SCRN
Set the reference level of the TCG as a percentage of full
screen height.
Toggles DAC function ON, OFF or AUDIBLE.
A Distance Amplitude Correction (DAC) curve is used to
configure a variable threshold for the gate, using the same
size reflector at different distances.
Toggles DRAW mode ON or OFF and used to draw the
TCG curve.
Toggles the units displayed as a relationship of either the
signal amplitude and DAC curve, or just the signal
according to screen height. The units are %FSH, %DAC,
and dB.
Selectable signal or multi DAC curve options. The
displayed curve options are: DAC, -2dB, -6dB, -10dB,
(-6dB/-12dB), (-6dB/-14dB). Once the DAC curve has
been generated, these options can be toggled at any time.
Used to set the alarm threshold for the DAC curve. The
options are; at DAC, -2dB, -6dB, -10dB, -12dB, -14dB, or
using an independent gate. The list of trigger options will
change according to which CURVE option has been
selected.
Select the polarity of the DAC curves generated, either
positive
or negative.
Description
66
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